Sulawesi Utara Province, Bolaang Mongondow, Bolaang Mongondow Timur, and Bolaang Mongondow Selatan regencies; north peninsula, both coasts; north side from Nanasi town west to Bijaj river; south side, southwest of Rototok almost to Kombot town.
Source:
Ethnologue 2016

Sulawesi Utara Province, Bolaang Mongondow, Bolaang Mongondow Timur, and Bolaang Mongondow Selatan regencies; north peninsula, both coasts; north side from Nanasi town west to Bijaj river; south side, southwest of Rototok almost to Kombot town..
Source:
Ethnologue 2016